I have just got my iMac Intel and I've never used one before. I've been a p.c. user my whole life. PLEASE HELP ME! I can't watch any videos anywhere, I was BARELY able to get Adium installed, and I tried to get Flip4mac and the Media Player app installed to no avail. Every forum I visit seems to have people arguing over what is best to do etc. and this all seems so unorganized and un-though-out... PLEASE HELP ME! Any ideas on how to improve my experience, tips on what apps to install, how to get things done, etc.